Append text and ad text to TextView Android example
String s = "Some text for appending
";
TextView mTitle = (TextView) findViewById(R.id.title_text);
mTitle.setText(R.string.app_name); // insert text from strings.xml
mTitle.append(s); // append string like a variable value
mTitle.append("My string will appended
"); // append string
You can insert this source code into onCreate in your activity file
396LW NO topic_id
AD
Další témata ....(Topics)
Try:
- close Eclipse and continue updating
or
- change permission of folder
or
- disable antivirus
or
- copy manually from zip packages from temp
c:\Program Files\android\sdk\temp\
c:\Program Files\android\sdk\temp\platform-tools_r19.0.1-windows.zip
c:\Program Files\android\sdk\temp\tools_r22.6.2-windows.zip
into propriety folders
or
- download all SDK package and replace old
https://developer.android.com/sdk/index.html?hl=sk
- close Eclipse and continue updating
or
- change permission of folder
or
- disable antivirus
or
- copy manually from zip packages from temp
c:\Program Files\android\sdk\temp\
c:\Program Files\android\sdk\temp\platform-tools_r19.0.1-windows.zip
c:\Program Files\android\sdk\temp\tools_r22.6.2-windows.zip
into propriety folders
or
- download all SDK package and replace old
https://developer.android.com/sdk/index.html?hl=sk
putString(), putBoolean(), putInt() etc.¨
How we can start an activity programmatically.
How we can start an activity programmatically.
// MainActivity.java
// myButton.setOnClickListener
Intent binary = new Intent(getApplicationContext(),Calculate.class);
Bundle b = new Bundle();
b.putString("prvni_label", "Decimal");
b.putString("druhy_label", "Binary");
b.putString("mode", "binary_to_decimal");
binary.putExtras(b);
startActivityForResult(binary, 0);
// in Calculate.java onCreate
TextView mTextView1 = (TextView)findViewById(R.id.textView1);
TextView mTextView2 = (TextView)findViewById(R.id.textView2);
Bundle _bundle = getIntent().getExtras();
mTextView1.setText(_bundle.getString("prvni_label"));
mTextView2.setText(_bundle.getString("druhy_label"));
//.................. HOW OPEN START NEW ACTIVITY WITHOUT A PARAMETER .........................
startActivity(new Intent(ThisActivity.this, NewActivity.class));
Definition of ListView in layout main.xml file Android example
Code in Main.java ListView example source code Java Android
<ListView android:id="@+id/idListView"
android:background="#7700CC00"
android:layout_height="wrap_content"
android:layout_width="fill_parent" />
Code in Main.java ListView example source code Java Android
public class Main extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListView mlistView = (ListView) findViewById(R.id.idListView);
mlistView.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1,
new String[] {"Game", "Help", "Home site"}));
mlistView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// When clicked, show a toast with the TextView text Game, Help, Home
Toast.makeText(getApplicationContext(), ((TextView) view).getText(),
Toast.LENGTH_SHORT).show();
}
});
}
}
Intent i = new Intent(this, MyNextClass.class);
startActivity(i);
If Android emulator freezes at startup, try create new virtual device with smaller memory and cpu usage, or select older version of Android, or buy new pc with higher performance.
- open AVD MANAGER
- press Create Virtual Device
- select Device with small memory usage (e.g. 480x800 of resolution) - Next
- check - Show downloadable ....
- Download - lower version of system Android, select, press - Next
- check data, Show Advanced Settings, check Use host... and press Finish
Editace: 2011-11-25 13:01:42
Počet článků v kategorii: 396
Url:append-text-and-ad-text-to-textview-android-example